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Posted to dev@arrow.apache.org by "Joris Van den Bossche (JIRA)" <ji...@apache.org> on 2018/12/07 12:22:00 UTC

[jira] [Created] (ARROW-3953) Pandas MultiIndex renamed labels to codes (pd 0.24)

Joris Van den Bossche created ARROW-3953:
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             Summary: Pandas MultiIndex renamed labels to codes (pd 0.24)
                 Key: ARROW-3953
                 URL: https://issues.apache.org/jira/browse/ARROW-3953
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
            Reporter: Joris Van den Bossche
            Assignee: Joris Van den Bossche


Pandas deprecated the `MultiIndex.labels` in favor of `MultiIndex.codes` ([https://github.com/pandas-dev/pandas/pull/23752).] In the pandas parquet/feather tests, we are now seeing warnings about this (and I assume there will be warnings as well in pyarrow tests if running on pandas master).



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